Home / 17,271.70-25,901.04-5,581.78

Finding the Fourth Proportional to 17,271.70, 25,901.04 and 5,581.78

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Solution

The fourth proportional to 17,271.70, 25,901.04 and 5,581.78 is: 8,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.70 : 25,901.04 = 5,581.78 : x
  2. Step 2: Convert to fraction form
    17,271.70/25,901.04 = 5,581.78/x
  3. Step 3: Cross multiply
    17,271.70x = 25,901.04 × 5,581.78
  4. Step 4: Simplify right side
    17,271.70x = 144,573,907.05
  5. Step 5: Solve for x
    x = 144,573,907.05/17,271.70
  6. Step 6: Final answer
    x = 8,370.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.